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Legally you will have to run 2 converters assuming you are running true dual exhaust all the way back. (Hopefully you are.) On the performance and cost effective side, most people don't put the converters back on at all. If you're having a shop do it they have to put them back on or they get a huge fine if they get caught. Your choice , but there's all the info i can provide.

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Q: If installed headers on a 93pickup Chevy do you need 1 or 2 catalytic converters?
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What are open headers in a car?

Open headers are essentially an open exhaust system with no mufflers or catalog converters


Do headers take the place of a catalytic converter?

no, a catalytic converter removes harmful gases produced by an engine, headers simply provide increased airflow out of the exhaust


Where is the oxygen sensor located on a 2005 Chev Suburban?

They are in the exhaust system/pipe. Just start at the engine and follow the exhaust back to the muffler and you will see them. They are about 3 inches long with a electric wire hooked to them. They just screew out. I believe ther is 3 of them but there might be 4. just look at the exhaust pipe real good. On the 8.1 engine, two are located ahead of the catalytic converters in the exhaust headers and two in the tail pipes after the catalytic converters.


Where is the o2 sensor on 98 ford mustang v6?

There are 2 or 3 oxygen sensors in your exhaust. "Upstream" sensors are located between the exhaust manifolds (headers) and the catalytic converter (usually located on the mid-pipe); "downstream" sensors are located after the catalytic converters. On V6 Mustangs there can either be one or two upstream sensors and usually only one downstream sensor.


Were is the oxygen sensor located on a 2003 Monte Carlo?

If you have the SS, then there should be 4. There will be one on each pipe coming from the headers. There will be two more on the pipes after the catalytic converters. If you have the non SS version then there are only 2. There will be one in the pipe after the cross over pipe that brings exhaust flow from the driver's side header to the passenger side. The second one will be after the catalytic converter.


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if your car has duel exhaust, they should be located a foot or two away from the headers, since the exhaust heat makes them work. They have to be cut off by a mechanic, and new ones welded back on as well. They should be closer to the engine then the muffler, around the transmission in an impala. hope this helps


If you put headers on an 1978 elcamino do i have to change the whole exhaust?

The answer would be "No, you don't have to". If you installed exhaust headers to improve performance then you might consider if your current exhaust system compliments the headers. Headers are designed to help evacuate exhaust gases and minimize back pressure. If an engine has exhaust headers that collect into a small single muffler and pipe then the effort is somewhat defeated. BUT, if the headers are installed for the "cool factor", and there is nothing wrong with that, then go ahead and use the stock pipes or as much as you can.


What does it mean when a car needs new headers?

Headers (also known as exhaust manifolds) are the part that takes the spent exhaust gases from each individual cylinder of the engine, bring them together, and expel them from the vehicle (usually passing through one or more catalytic converters and one or more mufflers on the way). V-layout engines (V6, V8, etc) have two headers, whereas inline engines have just one. Usually, the term "headers" is only used for performance-enhancing aftermarket replacements for the factory exhaust manifolds. If a car needs new headers, that generally means that the existing manifolds have been damaged in some way. One common cause of this is rust.


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